Exchange of matter refers to the movement or transfer of substances between different systems.
Picture matter as ingredients being exchanged between two chefs. They can borrow ingredients from each other's kitchens, representing the exchange of matter.
Mass Flow Rate: The amount of mass passing through a given area per unit time.
Diffusion: The process by which particles move from an area with high concentration to an area with low concentration until equilibrium is reached.
Chemical Reaction: A process in which substances undergo chemical changes, resulting in new substances being formed.
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